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# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
# Spack Project Developers. See the top-level COPYRIGHT file for details.
#
# SPDX-License-Identifier: (Apache-2.0 OR MIT)
import os
import llnl.util.tty as tty
from llnl.util.filesystem import mkdirp, working_dir
import spack.paths
from spack.util.executable import ProcessError, which
_SPACK_UPSTREAM = 'https://github.com/spack/spack'
description = "create a new installation of spack in another prefix"
section = "admin"
level = "long"
def setup_parser(subparser):
subparser.add_argument(
'-r', '--remote', action='store', dest='remote',
help="name of the remote to clone from", default='origin')
subparser.add_argument(
'prefix',
help="name of prefix where we should install spack")
def get_origin_info(remote):
git_dir = os.path.join(spack.paths.prefix, '.git')
git = which('git', required=True)
try:
branch = git('symbolic-ref', '--short', 'HEAD', output=str)
except ProcessError:
branch = 'develop'
tty.warn('No branch found; using default branch: %s' % branch)
if remote == 'origin' and \
branch not in ('master', 'develop'):
branch = 'develop'
tty.warn('Unknown branch found; using default branch: %s' % branch)
try:
origin_url = git(
'--git-dir=%s' % git_dir,
'config', '--get', 'remote.%s.url' % remote,
output=str)
except ProcessError:
origin_url = _SPACK_UPSTREAM
tty.warn('No git repository found; '
'using default upstream URL: %s' % origin_url)
return (origin_url.strip(), branch.strip())
def clone(parser, args):
origin_url, branch = get_origin_info(args.remote)
prefix = args.prefix
tty.msg("Fetching spack from '%s': %s" % (args.remote, origin_url))
if os.path.isfile(prefix):
tty.die("There is already a file at %s" % prefix)
mkdirp(prefix)
if os.path.exists(os.path.join(prefix, '.git')):
tty.die("There already seems to be a git repository in %s" % prefix)
files_in_the_way = os.listdir(prefix)
if files_in_the_way:
tty.die("There are already files there! "
"Delete these files before boostrapping spack.",
*files_in_the_way)
tty.msg("Installing:",
"%s/bin/spack" % prefix,
"%s/lib/spack/..." % prefix)
with working_dir(prefix):
git = which('git', required=True)
git('init', '--shared', '-q')
git('remote', 'add', 'origin', origin_url)
git('fetch', 'origin', '%s:refs/remotes/origin/%s' % (branch, branch),
'-n', '-q')
git('reset', '--hard', 'origin/%s' % branch, '-q')
git('checkout', '-B', branch, 'origin/%s' % branch, '-q')
tty.msg("Successfully created a new spack in %s" % prefix,
"Run %s/bin/spack to use this installation." % prefix)
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